19765488

素因数分解:

$2^4\times 3^1\times {\mathrm{509}}^1\times {\mathrm{809}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 51224400

約数和(自身を除く): 31458912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 509, 809, 1018, 1527, 1618, 2036, 2427, 3054, 3236, 4072, 4854, 6108, 6472, 8144, 9708, 12216, 12944, 19416, 24432, 38832, 411781, 823562, 1235343, 1647124, 2470686, 3294248, 4941372, 6588496, 9882744, 19765488]

約数ペア:

[(1, 19765488), (2, 9882744), (3, 6588496), (4, 4941372), (6, 3294248), (8, 2470686), (12, 1647124), (16, 1235343), (24, 823562), (48, 411781), (509, 38832), (809, 24432), (1018, 19416), (1527, 12944), (1618, 12216), (2036, 9708), (2427, 8144), (3054, 6472), (3236, 6108), (4072, 4854)]